Barrel nut wrench for a firearm



FIG. 1 is an isometric view of a barrel nut wrench for a firearm;

FIG. 2 is a front elevation view of the barrel nut wrench for a firearm of FIG. 1;

FIG. 3 is a rear elevation view of the barrel nut wrench for a firearm of FIG. 1;

FIG. 4 is a right side elevation view of the barrel nut wrench for a firearm of FIG. 1;

FIG. 5 is a left side elevation view of the barrel nut wrench for a firearm of FIG. 1;

FIG. 6 is a top view of the barrel nut wrench for a firearm of FIG. 1; and,

FIG. 7 is a bottom view of the barrel nut wrench for a firearm of FIG. 1.

The broken lines depict portions of the barrel nut wrench for a firearm that forms no part of the claimed design. 

CLAIM The ornamental design for a barrel nut wrench for a firearm, as shown and described. 